grindstone

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noun grind·stone \ˈgrīn-ˌstōn\

Definition of grindstone

  1. 1 :  millstone 1

  2. 2 :  a flat circular stone of natural sandstone that revolves on an axle and is used for grinding, shaping, or smoothing

Illustration of grindstone

13th Century

First Known Use of grindstone

13th century



GRINDSTONE Defined for English Language Learners

grindstone

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noun grind·stone \ˈgrīn-ˌstōn\

Definition of grindstone for English Language Learners

  • : a stone disc that can be turned like a wheel and that is used for sharpening tools, smoothing rough edges, etc.


GRINDSTONE Defined for Kids

grindstone

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noun grind·stone \ˈgrīnd-ˌstōn\

Definition of grindstone for Students

  1. :  a flat round stone that turns to sharpen or shape things


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